Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference of our reports dated February 19, 2016, with respect to the consolidated financial statements and schedule of Phillips 66 and the effectiveness of internal control over financial reporting of Phillips 66 included in this Annual Report (Form 10-K) of Phillips 66 for the year ended December 31, 2015, in the following Registration Statements.

Phillips 66	Form S-3	File No. 333-181079
Phillips 66	Form S-8	File No. 333-181080
Phillips 66	Form S-8	File No. 333-188564
Phillips 66	Form S-3	File No. 333-207923

/s/ Ernst & Young LLP

Houston, Texas

February 19, 2016